Improvement in clamp



iiiuied tatr GEORGE W. GOULDE, OF WAVERLYfNEWYORf-K.

'Lenersama No. 95,337, dated september-2s, 1869.

IMPROVEMENT IN CLAMP.

The Schedule referred to ini these Letters Patent and making.part of thesame.

To all whom tt may concern:

- Beit know-n that I, GEORGE W. GOULDEN,'of Waverly, in thecounty ofTioga, and State of New York, have invented a new and valuableImprovement in Adjustable Clamps; and l do herebydeclare that thefollowing is a full,'clear, and exact description of the constructionand operation of the samereference being to the annexed drawings, makinga part of this specification, and to the letters and figures of Vrefer-@nce marked thereon. I

Figure 1, of the drawings, isarepresentation of my invention as viewedfrom above.

Figure 2 is'a central vertical section ot' same.

The nature of my invention consists in making a bed-piece or platform,A,.of either lWood or metal, perforated as closely as is desirable,withv small circular mortises B, of sucient size to admit the roundtenonsC, of the screw-posts, D, said mortises extending partially orentirely through the bed-piece, as may be deemed most desirable.

The screw-posts are made with square heads, with a thumb or hand-screw,E, passing throughithevhead of the post parallelwith the surfaceof thebed-piece. The lower part of the screw-post is around tenon, the headof" the post forming a square head to thetenon,

making a shoulder to the tenori, which t-s into the said round mortises.The object of the round tenen ttinginto the 1'ound.mortiseis,thatby-using a number of such screws passing through such screw-posts,eaehscrew can be brought to bear in any direction,

same time, thereby enabling the clamp to hold firmlyY posts may be usedwithout the screws, and the article to be clamped held inplace byl meansof blocks and wedges placed between the article and the posts.

What I claim vas my invention, and desire to secure by Letters Patent,is-,`

'nesses l(.rliiOBlGrE W. GOULDEN.

Witnesses:

l J. NEWTON DEXTER, MILTON J. WARNER.

and at any angle as regards other `screws used at the any article, nomatter how irregular its shape. Said untojsubsc'ribed my name, in thepresenceof two wit-A

